<template>
  <view>
    <!-- 使用自定义的搜索组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="`/subpkg/goods_detail/goods_detail?goods_id=${item.goods_id}`">
          <image :src="item.image_src" mode=""></image>
        </navigator>
      </swiper-item>
    </swiper>
    
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <image class="nav-img" :src="item.image_src" mode=""></image>
      </view>
    </view>
    
    <view class="floor-list">
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        
        <view class="floor-img-box">
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <view class="right-img-box">
            <navigator :url="item2.url" class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0">
              <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins: [badgeMix],
    data() {
      return {
        // 轮播图数据列表
        swiperList: [],
        navList: [],
        floorList: []
      };
    },
    onLoad(){
      this.getSwiperList();
      this.getNavList();
      this.getFloorList();
    },
    methods:{
      // 轮播数据
      async getSwiperList(){
        try{
          const res = await uni.$http.get('/api/public/v1/home/swiperdata');
          if(res.meta.status !== 200) return uni.$showMsg();
          this.swiperList = res.message;
        }catch(e){
          console.log(e)
          //TODO handle the exception
          uni.$showMsg()
        }
      },
      async getNavList(){
        try{
          const res = await uni.$http.get('/api/public/v1/home/catitems');
          console.log(res);
          if(res.meta.status !== 200) return uni.$showMsg();
          this.navList = res.message;
        }catch(e){
          //TODO handle the exception
          uni.$showMsg(e);
        }
      },
      
      async getFloorList(){
        try{
          const res = await uni.$http.get('/api/public/v1/home/floordata');
          if(res.meta.status !== 200) return uni.$showMsg();
          res.message.map(floor => {
            floor.product_list.map(prod => {
              prod.url = `/subpkg/goods_list/goods_list?${prod.navigator_url.split('?')[1]}`;
              return prod;
            })
            return floor;
          })
          this.floorList = res.message;
        }catch(e){
          //TODO handle the exception
          uni.$showMsg();
        }
      },
      
      navClickHandler({name}){
        if(name === '分类'){
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      
      gotoSearch(){
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">
  swiper{
    height: 300rpx;
    .swiper-item,
    image{
      width: 100%;
      height: 100%;
    }
  }
  .search-box {
    // 设置定位效果为“吸顶”
    position: sticky;
    // 吸顶的“位置”
    top: 0;
    // 提高层级，防止被轮播图覆盖
    z-index: 999;
  }
  .nav-list{
    display: flex;
    justify-content: space-around;
    margin: 15px 0;
    .nav-img{
      width: 128rpx;
      height: 140rpx;
    }
  }
  .floor-title{
    height: 60rpx;
    width: 100%;
    display: flex;
  }
  .right-img-box{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .floor-img-box{
    display: flex;
    padding-left: 10rpx;
  }
</style>
